Prefix Information

The prefix 640 is part of area code 281 serving Houston, Texas.

This exchange contains 10,000 possible phone numbers (281-640-0000 through 281-640-9999).

Browse Numbers in This Prefix

281-640-0000-0999 281-640-1000-1999 281-640-2000-2999 281-640-3000-3999 281-640-4000-4999 281-640-5000-5999 281-640-6000-6999 281-640-7000-7999 281-640-8000-8999 281-640-9000-9999

Sample Numbers

(281) 640-0000 (281) 640-1234 (281) 640-2000 (281) 640-3333 (281) 640-4444 (281) 640-5555 (281) 640-6000 (281) 640-7777 (281) 640-8888 (281) 640-9999